/* Crypto Trading Bot dashboard: light, practical, broker-style.
   System font, white panels, green/red only for up/down. */
:root {
  /* Dark exchange-style theme: deep navy ground, slightly lighter panels,
     green/red for up/down, amber and blue for the moving averages. */
  --bg: #0a0f1c;
  --panel: #111827;
  --panel-2: #172033;
  --text: #e6eaf2;
  --text-2: #aab3c5;
  --muted: #7c879b;
  --line: #222c40;
  --line-2: #1a2336;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.14);
  --up: #22c55e;
  --down: #f05252;
  --sma20: #f5a524;
  --sma50: #60a5fa;
  --bb: #64748b;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px; line-height: 1.5; color: var(--text); background: var(--bg);
  font-variant-numeric: tabular-nums;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.up { color: var(--up); } .down { color: var(--down); }
.r { text-align: right; }
.hint { color: var(--muted); font-size: 0.88rem; margin: 0 0 12px; }
h2 { margin: 0; font-size: 1.05rem; font-weight: 600; }
h3 { margin: 14px 0 8px; font-size: 0.9rem; font-weight: 600; color: var(--text-2); }

/* Top bar */
.topbar { background: rgba(10, 15, 28, 0.92); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.toplinks { display: flex; align-items: center; gap: 18px; font-size: 0.92rem; }
.toplinks a:not(.btn) { color: var(--text-2); }
.toplinks a:not(.btn):hover { color: var(--text); text-decoration: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; font: inherit; font-size: 0.9rem; font-weight: 500; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; }
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn-outline { border-color: var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent-soft); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #2f6fe0; }
.btn:disabled { opacity: 0.6; cursor: wait; }

/* Tickers */
.tickers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 20px; }
.ticker {
  display: grid; grid-template-columns: 1fr auto; grid-template-areas: "name change" "price price" "range range";
  gap: 2px 8px; text-align: left; font: inherit; color: inherit; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px;
}
.ticker:hover { border-color: #33405c; }
.ticker.active { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.t-name { grid-area: name; font-weight: 600; }
.t-name small { color: var(--muted); font-weight: 500; margin-left: 4px; }
.t-price { grid-area: price; font-size: 1.6rem; font-weight: 650; letter-spacing: -0.01em; }
.t-change { grid-area: change; font-weight: 600; font-size: 0.9rem; align-self: center; }
.t-range { grid-area: range; color: var(--muted); font-size: 0.8rem; }
.source { color: var(--muted); font-size: 0.8rem; margin: 8px 2px 16px; }

/* Panels */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; min-width: 0; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.grid-2 > .panel { margin-bottom: 16px; }
.pill { font-size: 0.78rem; font-weight: 600; padding: 2px 10px; border-radius: 999px; background: var(--line-2); color: var(--text-2); }
.pill.on { background: rgba(34, 197, 94, 0.15); color: var(--up); }
.pill.off { background: rgba(240, 82, 82, 0.15); color: var(--down); }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 10px; }
.stats div { display: flex; flex-direction: column; }
.stats span { color: var(--muted); font-size: 0.8rem; }
.stats strong { font-size: 1.15rem; font-weight: 650; }

.status-line { margin: 0 0 6px; color: var(--text-2); }
.status-line .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--muted); }
.status-line .dot.on { background: var(--up); }
.controls { display: flex; gap: 8px; margin: 8px 0; }
.kv { margin: 0; }
.kv div { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--line-2); font-size: 0.92rem; }
.kv div:last-child { border-bottom: 0; }
.kv dt { color: var(--text-2); } .kv dd { margin: 0; font-weight: 500; }
.flat { color: var(--text-2); margin: 0 0 6px; }

/* Tabs + legend */
.tabs { display: inline-flex; background: var(--line-2); border-radius: 8px; padding: 3px; }
.tabs button { font: inherit; font-size: 0.85rem; font-weight: 600; border: 0; background: transparent; color: var(--text-2); padding: 5px 14px; border-radius: 6px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--accent); color: #fff; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; font-size: 0.85rem; color: var(--text-2); margin: 4px 0 6px; }
.legend label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.legend .hint { margin: 0; }
.sw { display: inline-block; width: 14px; height: 3px; border-radius: 2px; }
.sw-sma20 { background: var(--sma20); } .sw-sma50 { background: var(--sma50); } .sw-bb { background: var(--bb); }

/* Charts */
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .empty { color: var(--muted); text-align: center; padding: 40px 0; margin: 0; font-size: 0.9rem; }
.gl { stroke: var(--line-2); }
.ax-t { fill: var(--muted); font-size: 11px; font-family: inherit; }
.c-up { fill: var(--up); stroke: var(--up); }
.c-down { fill: var(--down); stroke: var(--down); }
.l-sma20 { fill: none; stroke: var(--sma20); stroke-width: 1.4; }
.l-sma50 { fill: none; stroke: var(--sma50); stroke-width: 1.4; }
.l-bb { fill: none; stroke: var(--bb); stroke-width: 1; stroke-dasharray: 4 3; }
.a-bb { fill: rgba(100, 116, 139, 0.12); stroke: none; }
.l-main { fill: none; stroke: var(--text); stroke-width: 1.6; }
.l-alt { fill: none; stroke: var(--bb); stroke-width: 1.4; stroke-dasharray: 5 4; }
.l-base { stroke: var(--muted); stroke-dasharray: 3 4; }
.l-rsi { fill: none; stroke: #a78bfa; stroke-width: 1.4; }
.l-macd { fill: none; stroke: var(--sma50); stroke-width: 1.3; }
.l-macds { fill: none; stroke: var(--sma20); stroke-width: 1.3; }
.b-pos { fill: rgba(34, 197, 94, 0.5); } .b-neg { fill: rgba(240, 82, 82, 0.5); }
.zone { fill: rgba(167, 139, 250, 0.08); }
.mk-buy { fill: var(--up); } .mk-sell { fill: var(--down); }
.xh { stroke: var(--muted); stroke-dasharray: 3 3; pointer-events: none; }
.sub-charts h3 { margin-top: 8px; }

.tip { position: fixed; z-index: 20; pointer-events: none; background: #1e293b; border: 1px solid #334155; color: #f1f5f9; font-size: 0.8rem; line-height: 1.45; padding: 7px 10px; border-radius: 6px; white-space: nowrap; }
.tip b { font-weight: 600; }

/* Tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th { text-align: left; font-weight: 600; color: var(--muted); font-size: 0.8rem; padding: 8px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 8px 8px; border-bottom: 1px solid var(--line-2); white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table .r { text-align: right; }
.v { font-weight: 600; font-size: 0.82rem; }
.v-BUY { color: var(--up); } .v-SELL { color: var(--down); } .v-HOLD { color: var(--muted); font-weight: 500; }
.tag { display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 1px 8px; border-radius: 999px; }
.tag-BUY { background: rgba(34, 197, 94, 0.15); color: var(--up); } .tag-SELL { background: rgba(240, 82, 82, 0.15); color: var(--down); } .tag-HOLD { background: var(--line-2); color: var(--text-2); }

/* Backtest */
.bt-form { display: grid; grid-template-columns: 1fr 1.2fr 1.2fr 1.2fr auto; gap: 16px; align-items: end; margin-bottom: 14px; }
.bt-form label { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; color: var(--text-2); }
.bt-form output { font-weight: 600; color: var(--text); margin-left: 4px; }
.bt-form select { font: inherit; color: var(--text); padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel-2); }
.bt-form input[type="range"] { accent-color: var(--accent); width: 100%; }
.bt-metrics { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); }
.bt-metrics div { display: flex; flex-direction: column; }
.bt-metrics span { color: var(--muted); font-size: 0.78rem; }
.bt-metrics strong { font-size: 1.05rem; }
.bt-legend { display: flex; gap: 16px; font-size: 0.82rem; color: var(--text-2); margin: 2px 0 4px; }
.bt-legend i { display: inline-block; width: 14px; height: 2px; vertical-align: middle; margin-right: 6px; background: var(--text); }
.bt-legend i.alt { background: repeating-linear-gradient(90deg, var(--bb) 0 5px, transparent 5px 9px); }

.about { max-width: 52rem; color: var(--text-2); margin: 8px 0 0; }
.about h2 { margin-bottom: 6px; color: var(--text); }
.footer { color: var(--muted); font-size: 0.85rem; padding-top: 20px; padding-bottom: 32px; border-top: 1px solid var(--line); margin-top: 24px; }

@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; gap: 0; }
  .bt-form { grid-template-columns: 1fr 1fr; }
  .bt-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .toplinks a:not(.btn) { display: none; }
}
@media (max-width: 600px) {
  .tickers { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bt-form { grid-template-columns: 1fr; }
  .bt-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ax-t { font-size: 20px; }
}

/* Ticker sparklines and accents */
.ticker { position: relative; overflow: hidden; grid-template-areas: "name change" "price spark" "range range"; }
.t-spark { grid-area: spark; width: 120px; height: 36px; align-self: center; }
.t-spark path { fill: none; stroke-width: 1.6; }
.t-spark .s-up { stroke: var(--up); } .t-spark .s-down { stroke: var(--down); }
.t-spark .f-up { fill: rgba(34, 197, 94, 0.12); stroke: none; } .t-spark .f-down { fill: rgba(240, 82, 82, 0.12); stroke: none; }
.ticker.active { background: var(--panel-2); }
.panel { background: linear-gradient(180deg, var(--panel) 0%, #0f1625 100%); }
.stats strong { font-size: 1.25rem; }
.bt-metrics { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; }
.table tbody tr:hover td { background: var(--panel-2); }
.brand img { border-radius: 6px; }

.stats { grid-template-columns: repeat(4, minmax(0, 1fr)); row-gap: 14px; }
.log-wrap { max-height: 260px; overflow-y: auto; }
.table.compact td, .table.compact th { padding: 6px 8px; font-size: 0.84rem; }
.src { font-size: 0.72rem; font-weight: 600; padding: 1px 7px; border-radius: 999px; }
.src-live { background: rgba(59, 130, 246, 0.16); color: #93c5fd; }
.src-replay { background: var(--line-2); color: var(--muted); }
.act { font-weight: 600; font-size: 0.8rem; }
.act-BUY { color: var(--up); } .act-SELL, .act-STOP_LOSS { color: var(--down); } .act-TAKE_PROFIT { color: var(--up); }
.act-HOLD, .act-IN_POSITION, .act-WAIT, .act-NO_CASH { color: var(--muted); font-weight: 500; }
.l-entry { stroke: var(--text-2); stroke-dasharray: 2 3; } .l-stop { stroke: var(--down); stroke-dasharray: 5 4; } .l-target { stroke: var(--up); stroke-dasharray: 5 4; }
.lvl { font-size: 11px; font-family: inherit; }
.lvl-entry { fill: var(--text-2); } .lvl-stop { fill: var(--down); } .lvl-target { fill: var(--up); }
.l-replay { fill: none; stroke: var(--bb); stroke-width: 1.4; stroke-dasharray: 5 4; }
.l-live-mark { stroke: var(--accent); stroke-dasharray: 2 3; }
.live-label { fill: #93c5fd; font-size: 11px; font-family: inherit; }
.trades-wrap { max-height: 520px; overflow-y: auto; }
.trades-wrap thead th { position: sticky; top: 0; background: var(--panel); }